Which of the following cements is most irritant to pulpal tissues ?
Correct answer: B. Silicate
- A. Zinc phosphate
- B. Silicate
- C. Glass ionomer
- D. Polycarboxylate
Explanation
Silicate cement is the most irritating because its phosphoric-acid liquid produces a very low initial pH and the material can release irritating components. Glass ionomer and polycarboxylate cements are generally more pulp-friendly.
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